Found a total of 10000 related content
jQuery and vue create verification code effect for drag verification
Article Introduction：This time I will bring you the verification code effect of drag verification using jQuery and vue. What are the precautions for using jQuery and vue to make the verification code effect of drag verification? The following is a practical case, let's take a look.
2018-03-14
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3109
How to use Vue to implement verification code countdown effects
Article Introduction：How to use Vue to implement verification code countdown effects. With the development of the Internet, verification codes have become one of the important means to protect user security. In order to improve user experience, we can use countdown effects to remind users of the remaining time to obtain the verification code. This article will introduce how to use Vue to implement the special effects of verification code countdown, and provide specific code examples. First, we need to create a Vue component to implement the verification code countdown function. In this component, we can define a countdown time variable to store the remaining seconds
2023-09-19
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775
Best practices for generating verification code images with shadow effects using PHP and GD libraries
Article Introduction：Best practices for generating CAPTCHA images with shadow effects using PHP and GD libraries Captcha is a common security measure used to determine if a user is a real user and not a bot. A common way to generate a CAPTCHA is to create an image containing random characters and ask the user to identify and enter those characters from the image. In order to increase the security of the verification code, we can add some visual effects, such as shadow effects, to the generated verification code image. This article will introduce the use of PHP and GD libraries to generate verification with shadow effects.
2023-07-12
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1232
PHP verification code email: more effectively prevent robot registration and malicious operations.
Article Introduction：PHP verification code email: more effectively prevent robot registration and malicious operations. With the rapid development of the Internet, more and more online platforms and websites are facing the threat of robot registration and malicious operations. In order to protect user privacy and ensure the security of the platform, developers continue to explore various methods to deal with this problem. Among them, sending verification code emails to users for identity verification has become a simple and effective solution. This article will introduce specific code examples that use PHP to implement the verification code email function to help developers better
2023-09-19
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2320
Cookies must be enabled to log in php cookie login verification sample code
Article Introduction：Cookies must be enabled to log in: Cookies must be enabled to log in php cookie Login verification sample code: Copy the code The code is as follows: <html> <head> <title>Login</title> <meta http-equiv="Content-Type" c method ="post" action="login.php"> <table width="300" border="0" align="center" cellpad
2016-07-29
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1241
PHP production verification code, php verification code_PHP tutorial
Article Introduction：PHP production verification code, php verification code. PHP production verification code, php verification code PHP production verification code detailed tutorial effect: myvcode.class.php: encapsulates the class to create the verification code 1: ?php 2: /* 3: * file:myvcode.class.php 4: * Verification Code class
2016-07-13
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1084
php form validation code_PHP tutorial
Article Introduction：php form validation code. Provides a code for checking PHP form verification and checking effects. function validate($value,$onoff=0,$type=3,$len=100,$msg='Fill in error') { if(trim($value) != ){ //If there is content if(!is_in
2016-07-20
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1163
PHP generates verification code function, PHP generates verification code_PHP tutorial
Article Introduction：php generates verification code function, php generates verification code. PHP generates verification code function, PHP generates verification code function, PHP generates verification code function, practical and reliable. First, the rendering of the verification code generated up and down (the sample effect of the all-digital verification code generated here is
2016-07-12
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804
YII2 verification code formal environment and test environment are inconsistent
Article Introduction：My local code and online code are exactly the same. Both the local and server use centos7.2. My environment is nginx fpm. Why does the verification code not change when refreshing the login page locally (this is the result I expect), but Once I upload it to the server, the verification code changes every time I refresh the login page...
2016-07-06
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1051
